Fix GL error spam and do some cleanup

- Add flywheel$ prefix to mixin duck interfaces/accessors
 - Better chat messages for /flywheel backend command
 - Track VAO via vanilla

src/main/java/com/jozufozu/flywheel/backend/gl/GlVertexArray.java

@@ -1,5 +1,6 @@
 package com.jozufozu.flywheel.backend.gl;
 
+import com.jozufozu.flywheel.mixin.BufferUploaderAccessor;
 import com.jozufozu.flywheel.util.AttribUtil;
 import com.mojang.blaze3d.platform.GlStateManager;
 
@@ -9,11 +10,14 @@ public class GlVertexArray extends GlObject {
 	}
 
 	public void bind() {
-		GlStateManager._glBindVertexArray(handle());
+		int handle = handle();
+		GlStateManager._glBindVertexArray(handle);
+		BufferUploaderAccessor.flywheel$setLastVAO(handle);
 	}
 
 	public static void unbind() {
 		GlStateManager._glBindVertexArray(0);
+		BufferUploaderAccessor.flywheel$setLastVAO(0);
 	}
 
 	protected void deleteInternal(int handle) {

src/main/java/com/jozufozu/flywheel/backend/gl/shader/GlProgram.java

@@ -31,12 +31,12 @@ public abstract class GlProgram extends GlObject {
 	public void bind() {
 		int handle = handle();
 		ProgramManager.glUseProgram(handle);
-		ShaderInstanceAccessor.setLastProgramId(handle);
+		ShaderInstanceAccessor.flywheel$setLastProgramId(handle);
 	}
 
 	public void unbind() {
 		ProgramManager.glUseProgram(0);
-		ShaderInstanceAccessor.setLastProgramId(0);
+		ShaderInstanceAccessor.flywheel$setLastProgramId(0);
 	}
 
 	/**

src/main/java/com/jozufozu/flywheel/backend/instancing/SuperBufferSource.java

@@ -20,7 +20,7 @@ public class SuperBufferSource {
 	public SuperBufferSource() {
 		scratch = new BufferBuilder(8);
 
-		((BufferBuilderHack) scratch).freeBuffer();
+		((BufferBuilderHack) scratch).flywheel$freeBuffer();
 	}
 
 	public DirectVertexConsumer getBuffer(RenderType renderType, int vertexCount) {
@@ -40,7 +40,7 @@ public class SuperBufferSource {
 			if (builder.expectedVertices > 0) {
 				RenderType type = entry.getKey();
 
-				hack.hackBegin(builder.backingBuffer, type.format(), builder.expectedVertices);
+				hack.flywheel$hackBegin(builder.backingBuffer, type.format(), builder.expectedVertices);
 
 				type.end(scratch, 0, 0, 0);
 

src/main/java/com/jozufozu/flywheel/backend/model/BufferBuilderHack.java

@@ -10,7 +10,7 @@ import com.mojang.blaze3d.vertex.VertexFormat;
  */
 public interface BufferBuilderHack {
 
-	void freeBuffer();
+	void flywheel$freeBuffer();
 
-	void hackBegin(ByteBuffer buffer, VertexFormat format, int vertexCount);
+	void flywheel$hackBegin(ByteBuffer buffer, VertexFormat format, int vertexCount);
 }

src/main/java/com/jozufozu/flywheel/config/FlwEngine.java

@@ -6,6 +6,8 @@ import java.util.Map;
 
 import javax.annotation.Nullable;
 
+import org.jetbrains.annotations.NotNull;
+
 import com.jozufozu.flywheel.backend.Backend;
 
 import net.minecraft.ChatFormatting;
@@ -13,12 +15,14 @@ import net.minecraft.client.Minecraft;
 import net.minecraft.client.player.LocalPlayer;
 import net.minecraft.network.FriendlyByteBuf;
 import net.minecraft.network.chat.Component;
+import net.minecraft.network.chat.MutableComponent;
 import net.minecraft.network.chat.TextComponent;
+import net.minecraftforge.fml.ModList;
 
 public enum FlwEngine {
-	OFF("off", "Off", new TextComponent("Disabled Flywheel").withStyle(ChatFormatting.RED)),
-	BATCHING("batching", "Parallel Batching", new TextComponent("Using Batching Engine").withStyle(ChatFormatting.GREEN)),
-	INSTANCING("instancing", "GL33 Instanced Arrays", new TextComponent("Using Instancing Engine").withStyle(ChatFormatting.GREEN)),
+	OFF("off", "Off"),
+	BATCHING("batching", "Parallel Batching"),
+	INSTANCING("instancing", "GL33 Instanced Arrays"),
 	;
 
 	private static final Map<String, FlwEngine> lookup;
@@ -30,14 +34,12 @@ public enum FlwEngine {
 		}
 	}
 
-	private final Component message;
 	private final String shortName;
 	private final String properName;
 
-	FlwEngine(String shortName, String properName, Component message) {
+	FlwEngine(String shortName, String properName) {
 		this.shortName = shortName;
 		this.properName = properName;
-		this.message = message;
 	}
 
 	public String getProperName() {
@@ -55,13 +57,33 @@ public enum FlwEngine {
 		if (type != null) {
 			FlwConfig.get().client.engine.set(type);
 
-			player.displayClientMessage(type.message, false);
+			Component message = getMessage(type);
+
+			player.displayClientMessage(message, false);
 			Backend.reloadWorldRenderers();
 		} else {
-			player.displayClientMessage(FlwConfig.get().getEngine().message, false);
+			player.displayClientMessage(getMessage(FlwConfig.get().getEngine()), false);
 		}
 	}
 
+	private static Component getMessage(@NotNull FlwEngine type) {
+		return switch (type) {
+			case OFF -> new TextComponent("Disabled Flywheel").withStyle(ChatFormatting.RED);
+			case INSTANCING -> new TextComponent("Using Instancing Engine").withStyle(ChatFormatting.GREEN);
+			case BATCHING -> {
+				MutableComponent msg = new TextComponent("Using Batching Engine").withStyle(ChatFormatting.GREEN);
+
+				if (ModList.get()
+						.isLoaded("create")) {
+					// FIXME: batching engine contraption lighting issues
+					msg.append(new TextComponent("\nWARNING: May cause issues with Create Contraptions").withStyle(ChatFormatting.RED));
+				}
+
+				yield msg;
+			}
+		};
+	}
+
 	@Nullable
 	public static FlwEngine decode(FriendlyByteBuf buffer) {
 		byte b = buffer.readByte();

src/main/java/com/jozufozu/flywheel/core/crumbling/AtlasInfo.java

@@ -40,7 +40,7 @@ public class AtlasInfo {
 	 * FOR USE IN MIXIN
 	 */
 	public static void _setAtlasData(ResourceLocation atlas, SheetDataAccessor accessor) {
-		sheetData.put(atlas, new SheetSize(accessor.getWidth(), accessor.getHeight()));
+		sheetData.put(atlas, new SheetSize(accessor.flywheel$getWidth(), accessor.flywheel$getHeight()));
 	}
 
 	public record SheetSize(int width, int height) {

src/main/java/com/jozufozu/flywheel/core/crumbling/CrumblingRenderer.java

@@ -96,7 +96,7 @@ public class CrumblingRenderer {
 
 		Int2ObjectMap<List<BlockEntity>> breakingEntities = new Int2ObjectArrayMap<>();
 
-		for (Long2ObjectMap.Entry<SortedSet<BlockDestructionProgress>> entry : ((LevelRendererAccessor) Minecraft.getInstance().levelRenderer).getDestructionProgress()
+		for (Long2ObjectMap.Entry<SortedSet<BlockDestructionProgress>> entry : ((LevelRendererAccessor) Minecraft.getInstance().levelRenderer).flywheel$getDestructionProgress()
 				.long2ObjectEntrySet()) {
 			BlockPos breakingPos = BlockPos.of(entry.getLongKey());
 

src/main/java/com/jozufozu/flywheel/core/materials/model/ModelWriterUnsafe.java

@@ -3,7 +3,7 @@ package com.jozufozu.flywheel.core.materials.model;
 import com.jozufozu.flywheel.backend.gl.buffer.VecBuffer;
 import com.jozufozu.flywheel.api.struct.StructType;
 import com.jozufozu.flywheel.core.materials.BasicWriterUnsafe;
-import com.jozufozu.flywheel.util.WriteUnsafe;
+import com.jozufozu.flywheel.util.MatrixWrite;
 
 public class ModelWriterUnsafe extends BasicWriterUnsafe<ModelData> {
 
@@ -16,7 +16,7 @@ public class ModelWriterUnsafe extends BasicWriterUnsafe<ModelData> {
 		super.writeInternal(d);
 		long ptr = writePointer + 6;
 
-		((WriteUnsafe) (Object) d.model).writeUnsafe(ptr);
-		((WriteUnsafe) (Object) d.normal).writeUnsafe(ptr + 4 * 16);
+		((MatrixWrite) (Object) d.model).flywheel$writeUnsafe(ptr);
+		((MatrixWrite) (Object) d.normal).flywheel$writeUnsafe(ptr + 4 * 16);
 	}
 }

src/main/java/com/jozufozu/flywheel/event/RenderLayerEvent.java

@@ -72,6 +72,6 @@ public class RenderLayerEvent extends Event {
 
 	@Override
 	public String toString() {
-		return "RenderLayerEvent{" + "world=" + world + ", type=" + type + ", stack=" + stack + ", viewProjection=" + viewProjection + ", buffers=" + buffers + ", camX=" + camX + ", camY=" + camY + ", camZ=" + camZ + ", layer=" + layer + '}';
+		return "RenderLayerEvent[" + layer + "][" + "world=" + world + ", type=" + type + ", stack=" + stack + ", viewProjection=" + viewProjection + ", buffers=" + buffers + ", camX=" + camX + ", camY=" + camY + ", camZ=" + camZ + ']';
 	}
 }

src/main/java/com/jozufozu/flywheel/mixin/BufferBuilderMixin.java

@@ -44,7 +44,7 @@ public abstract class BufferBuilderMixin implements BufferBuilderHack {
 	private int vertices;
 
 	@Override
-	public void freeBuffer() {
+	public void flywheel$freeBuffer() {
 		if (this.buffer != null) {
 			MemoryUtil.memFree(this.buffer);
 			this.buffer = null;
@@ -52,7 +52,7 @@ public abstract class BufferBuilderMixin implements BufferBuilderHack {
 	}
 
 	@Override
-	public void hackBegin(@Nonnull ByteBuffer buffer, @Nonnull VertexFormat format, int vertexCount) {
+	public void flywheel$hackBegin(@Nonnull ByteBuffer buffer, @Nonnull VertexFormat format, int vertexCount) {
 		this.building = true;
 		this.mode = VertexFormat.Mode.QUADS;
 

src/main/java/com/jozufozu/flywheel/mixin/BufferUploaderAccessor.java

@@ -0,0 +1,16 @@
+package com.jozufozu.flywheel.mixin;
+
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.gen.Accessor;
+
+import com.mojang.blaze3d.vertex.BufferUploader;
+
+import net.minecraft.client.renderer.ShaderInstance;
+
+@Mixin(BufferUploader.class)
+public interface BufferUploaderAccessor {
+	@Accessor("lastVertexArrayObject")
+	static void flywheel$setLastVAO(int id) {
+		throw new AssertionError();
+	}
+}

src/main/java/com/jozufozu/flywheel/mixin/LevelRendererAccessor.java

@@ -11,6 +11,6 @@ import net.minecraft.server.level.BlockDestructionProgress;
 
 @Mixin(LevelRenderer.class)
 public interface LevelRendererAccessor {
-	@Accessor
-	Long2ObjectMap<SortedSet<BlockDestructionProgress>> getDestructionProgress();
+	@Accessor("destructionProgress")
+	Long2ObjectMap<SortedSet<BlockDestructionProgress>> flywheel$getDestructionProgress();
 }

src/main/java/com/jozufozu/flywheel/mixin/ShaderInstanceAccessor.java

@@ -8,7 +8,7 @@ import net.minecraft.client.renderer.ShaderInstance;
 @Mixin(ShaderInstance.class)
 public interface ShaderInstanceAccessor {
 	@Accessor("lastProgramId")
-	static void setLastProgramId(int id) {
+	static void flywheel$setLastProgramId(int id) {
 		throw new AssertionError();
 	}
 }

src/main/java/com/jozufozu/flywheel/mixin/atlas/SheetDataAccessor.java

@@ -9,9 +9,9 @@ import net.minecraft.client.renderer.texture.TextureAtlas;
 public interface SheetDataAccessor {
 
 	@Accessor("width")
-	int getWidth();
+	int flywheel$getWidth();
 
 	@Accessor("height")
-	int getHeight();
+	int flywheel$getHeight();
 
 }

src/main/java/com/jozufozu/flywheel/mixin/matrix/Matrix3fMixin.java

@@ -5,8 +5,7 @@ import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Shadow;
 
 import com.jozufozu.flywheel.backend.gl.buffer.VecBuffer;
-import com.jozufozu.flywheel.util.WriteSafe;
-import com.jozufozu.flywheel.util.WriteUnsafe;
+import com.jozufozu.flywheel.util.MatrixWrite;
 import com.mojang.math.Matrix3f;
 
 import net.minecraftforge.api.distmarker.Dist;
@@ -14,7 +13,7 @@ import net.minecraftforge.api.distmarker.OnlyIn;
 
 @OnlyIn(Dist.CLIENT)
 @Mixin(Matrix3f.class)
-public abstract class Matrix3fMixin implements WriteUnsafe, WriteSafe {
+public abstract class Matrix3fMixin implements MatrixWrite {
 
 	@Shadow protected float m00;
 	@Shadow protected float m01;
@@ -27,7 +26,7 @@ public abstract class Matrix3fMixin implements WriteUnsafe, WriteSafe {
 	@Shadow protected float m22;
 
 	@Override
-	public void writeUnsafe(long ptr) {
+	public void flywheel$writeUnsafe(long ptr) {
 		MemoryUtil.memPutFloat(ptr, m00);
 		MemoryUtil.memPutFloat(ptr + 4, m10);
 		MemoryUtil.memPutFloat(ptr + 8, m20);
@@ -40,7 +39,7 @@ public abstract class Matrix3fMixin implements WriteUnsafe, WriteSafe {
 	}
 
 	@Override
-	public void write(VecBuffer buffer) {
+	public void flywheel$write(VecBuffer buffer) {
 		buffer.putFloat(m00);
 		buffer.putFloat(m10);
 		buffer.putFloat(m20);

src/main/java/com/jozufozu/flywheel/mixin/matrix/Matrix4fMixin.java

@@ -5,8 +5,7 @@ import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Shadow;
 
 import com.jozufozu.flywheel.backend.gl.buffer.VecBuffer;
-import com.jozufozu.flywheel.util.WriteSafe;
-import com.jozufozu.flywheel.util.WriteUnsafe;
+import com.jozufozu.flywheel.util.MatrixWrite;
 import com.mojang.math.Matrix4f;
 
 import net.minecraftforge.api.distmarker.Dist;
@@ -14,7 +13,7 @@ import net.minecraftforge.api.distmarker.OnlyIn;
 
 @OnlyIn(Dist.CLIENT)
 @Mixin(Matrix4f.class)
-public abstract class Matrix4fMixin implements WriteUnsafe, WriteSafe {
+public abstract class Matrix4fMixin implements MatrixWrite {
 
 	@Shadow protected float m00;
 	@Shadow protected float m01;
@@ -34,7 +33,7 @@ public abstract class Matrix4fMixin implements WriteUnsafe, WriteSafe {
 	@Shadow protected float m33;
 
 	@Override
-	public void writeUnsafe(long ptr) {
+	public void flywheel$writeUnsafe(long ptr) {
 		MemoryUtil.memPutFloat(ptr, m00);
 		MemoryUtil.memPutFloat(ptr + 4, m10);
 		MemoryUtil.memPutFloat(ptr + 8, m20);
@@ -54,7 +53,7 @@ public abstract class Matrix4fMixin implements WriteUnsafe, WriteSafe {
 	}
 
 	@Override
-	public void write(VecBuffer buf) {
+	public void flywheel$write(VecBuffer buf) {
 		buf.putFloat(m00);
 		buf.putFloat(m10);
 		buf.putFloat(m20);

src/main/java/com/jozufozu/flywheel/util/MatrixWrite.java

@@ -0,0 +1,17 @@
+package com.jozufozu.flywheel.util;
+
+import com.jozufozu.flywheel.backend.gl.buffer.VecBuffer;
+
+/**
+ * @see com.jozufozu.flywheel.mixin.matrix.Matrix3fMixin
+ * @see com.jozufozu.flywheel.mixin.matrix.Matrix4fMixin
+ */
+public interface MatrixWrite {
+
+	/**
+	 * Write the contents of this object into sequential memory starting at the given address.
+	 */
+	void flywheel$writeUnsafe(long ptr);
+
+	void flywheel$write(VecBuffer buf);
+}

src/main/java/com/jozufozu/flywheel/util/WriteSafe.java

@@ -1,7 +0,0 @@
-package com.jozufozu.flywheel.util;
-
-import com.jozufozu.flywheel.backend.gl.buffer.VecBuffer;
-
-public interface WriteSafe {
-	void write(VecBuffer buf);
-}

src/main/java/com/jozufozu/flywheel/util/WriteUnsafe.java

@@ -1,9 +0,0 @@
-package com.jozufozu.flywheel.util;
-
-public interface WriteUnsafe {
-
-	/**
-	 * Write the contents of this object into sequential memory starting at the given address.
-	 */
-	void writeUnsafe(long ptr);
-}

src/main/resources/flywheel.mixins.json

@@ -6,6 +6,7 @@
     "refmap": "flywheel.refmap.json",
     "client": [
         "BufferBuilderMixin",
+        "BufferUploaderAccessor",
         "CancelEntityRenderMixin",
         "ChunkRebuildHooksMixin",
         "FixFabulousDepthMixin",